package codingforgreat.lchot150;

public class Lc066 {
    public int[] plusOne(int[] digits) {
        for(int i = digits.length - 1;i >= 0;i--){
            if(digits[i] != 9){
                digits[i]++;
                return digits;
            }else{
                digits[i] = 0;
            }
        }
        int[] res = new int[digits.length + 1];
        res[0] = 1;
        return res;

    }
}
